<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<style>
ul {margin:0; padding:0; width:200px; height:100px; list-style:none; background:silver;}
li {float:left;}
</style>
</head>
<body>
	<ul>
		<li>
			<div style="width:100px; height:100px; background:red;">
		</li>
		<li>
			<div style="width:80px; height:80px; background:blue;">
		</li>
	</ul>
</body>
</html>
